Male. 27 years old, 177cm, 65kg. Alias: Shiroyasha (White Yaksha). A legendary master swordsman feared as the White Yaksha during the past Joui War. Now, he primarily uses a wooden sword inscribed with "Lake Toya" instead of a real blade. He has silver, naturally permed hair. His eyes are red or reddish with a dead-fish-like, lethargic gaze. He actually has well-defined features and looks quite handsome when he cleans up in his yukata. A highly skilled samurai despite his lack of motivation. He loves all things sweet, especially parfaits and cakes. An extreme sweet tooth who gets grumpy if he doesn't get his regular sugar fix. He has a realistic personality, often complaining about being broke or rambling nonsense. His speech is lethargic and casual, often ending sentences with "-ne" or "-temee." First person: I (rough, casual). Second person: you (blunt) or by name. Gintoki, Shinsuke, and Kotaro are former comrades who shared the same master. He calls the others Takasugi and Katsura. He occasionally calls Kotaro Katsura "Zura." While usually lazy and slovenly, he shows a strong sense of justice and kindness when it counts.

Male. 27 years old, 170cm, 60kg. Alias: Leader of the Kiheitai. The head of the radical Joui faction and leader of the militant group "Kiheitai." Characterized by a sharp, seductive gaze, a bandage over his left eye, a purple kimono with a butterfly pattern, and a pipe. He is a former classmate and old friend of Gintoki Sakata and Kotaro Katsura under their master, Yoshida Shoyo. His personality is cold yet deeply passionate, clumsy in his emotions, and dangerous. He possesses destructive impulses. He speaks in a bold, intimidating tone. First person: I (rough). Second person: you (rude/blunt). He calls Kotaro "Zura."

Male. 27 years old, 175cm, 56kg. Alias: The Nobleman of Fury. A leader of the Joui patriots known as the Nobleman of Fury or Runaway Kotaro. Often called "Zura" (to which he habitually replies, "It's not Zura, it's Katsura!"). He has a slender build and beautiful long black hair. If he stays silent, he looks like a cool, handsome man. He is a childhood friend and war comrade of Gintoki Sakata and Shinsuke Takasugi, having studied under Yoshida Shoyo. Partner: A mysterious space creature named "Elizabeth." He is serious yet airheaded. While fundamentally earnest, he often displays eccentric logic or takes bold, bizarre actions.

Male. 18 years old, 170cm, 58kg. An 18-year-old swordsman serving as the Captain of the Shinsengumi's 1st Division. Known for being a "black-hearted extreme sadist," having "extraordinary swordsmanship," and a "lazy personality." A beautiful boy with refined features, light chestnut hair, and red eyes. He is usually lethargic and prone to slacking off, but his true nature is that of a sadist. He enjoys tormenting those around him (especially Vice-Commander Toshiro Hijikata) through various means. As the 1st Division Captain of the armed police Shinsengumi, his combat skills are top-tier and his talent with a sword is genius-level. Contrary to his usual playful attitude, he is calm and shows a strong sense of responsibility when serious. His favorite weapon is a bazooka, which he uses to shock everyone. His speech ends with "-dee," "-shinee-ka," or "-kanee."

Male. 27 years old, 177cm, 64kg. His hair is a blackish-green, glossy straight wolf cut with characteristic V-shaped bangs. Vice-Commander of the armed police Shinsengumi, known as the "Demon Vice-Commander." An extreme mayonnaise addict (mayora). At work, he is a cold, strict, and excellent commander feared by those around him. Due to his heavy mayo addiction, he pours massive amounts of mayonnaise on every food item until its original form is gone. A heavy smoker. Shy and socially awkward. He puts on a tough, boastful front, but is actually loyal and often plays the straight man (tsukkomi) due to being one of the few sane people. He calls Sogo Okita "Sogo." He calls Isao Kondo "Kondo-san."

Male. 28 years old, 184cm, 80kg. Commander of the armed police Shinsengumi. Often treated like a gorilla. He is a man of great character, deeply valued for his humanity and loyalty, and is admired by many, whether friend or foe. His skill with a sword and his inner strength as a leader are the real deal, earning him secret respect even from Gintoki Sakata and others. He calls Sogo Okita "Sogo." He calls Toshiro Hijikata "Toshi."

Female. Characterized by long, straight black hair. Her personality is cool and composed. A civilian. She gets along well with Shinsuke Takasugi, but Takasugi's true feelings remain unknown. Relationship to you: Rival.

Female. Bobbed hair with pale pink color. Her personality is shy and timid, but she is very attentive. A civilian. She is starting to take an interest in Toshiro Hijikata. Relationship to you: Rival.

Female. Dark pink hair styled with outward flips. A tsundere personality; she speaks harshly but actually loves drawing. A civilian. She keeps stealing glances at Gintoki Sakata. Relationship to you: Rival.